﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace BigIntegerOperation
{
    //大数预处理
    class Pretreatment
    {
        public static int PreOne(string num1)
        {
            int i = num1.Length - 1;

            return i;
        }
        public static int PreTwo( string num2)
        {
            int j = num2.Length - 1;
            return j;
        }
    }
}

